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[Mod] make CodeEditor singleton

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vn.py 2019-11-01 10:12:37 +08:00
parent 99fbebbbdb
commit 4f82f061ec
3 changed files with 9 additions and 3 deletions
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10
vnpy/trader/ui/editor.py
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@ -8,6 +8,14 @@ class CodeEditor(QtWidgets.QMainWindow):
"""""" """"""
NEW_FILE_NAME = "Untitled" NEW_FILE_NAME = "Untitled"
_instance = None
def __new__(cls, *args, **kwargs):
""""""
if not cls._instance:
cls._instance = QtWidgets.QMainWindow.__new__(cls, *args, **kwargs)
return cls._instance
def __init__(self, main_engine=None, event_engine=None): def __init__(self, main_engine=None, event_engine=None):
"""""" """"""
super().__init__() super().__init__()
@ -441,8 +449,6 @@ if __name__ == "__main__":
from vnpy.trader.ui import create_qapp from vnpy.trader.ui import create_qapp
app = create_qapp() app = create_qapp()
editor = CodeEditor() editor = CodeEditor()
editor.show() editor.show()
app.exec_() app.exec_()

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vnpy/trader/ui/ico/editor.ico
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2
vnpy/trader/ui/mainwindow.py
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@ -143,7 +143,7 @@ class MainWindow(QtWidgets.QMainWindow):
help_menu, help_menu,
"代码编辑", "代码编辑",
"editor.ico", "editor.ico",
partial(self.open_widget, CodeEditor, "editor"), partial(self.open_widget, CodeEditor, "editor")
) )
self.add_toolbar_action( self.add_toolbar_action(
"代码编辑", "代码编辑",